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Census place · GEOID 3075905 · Lewis and Clark County

Unionville, MT ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in Lewis and Clark County.

ACS 2023 population

386

Median household income

$67,417

Median home value

$446,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Unionville (GEOID 3075905). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 31,822 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

ZIP/ZCTA overlap with Unionville

Population overlap

Share of each ZIP/ZCTA’s population located within Unionville, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Unionville

ZIPCityCountyPopulationIncome
59601HelenaLewis and Clark County31,822$70,502